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CC491K Bronze vs. Zamak 2

CC491K bronze belongs to the copper alloys classification, while Zamak 2 belongs to the zinc alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
100
Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 13
6.0
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 40
33
Tensile Strength: Ultimate (UTS), MPa 260
360
Tensile Strength: Yield (Proof), MPa 120
270

Thermal Properties

Latent Heat of Fusion, J/g 190
130
Maximum Temperature: Mechanical, °C 160
95
Melting Completion (Liquidus), °C 980
390
Melting Onset (Solidus), °C 900
380
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 71
110
Thermal Expansion, µm/m-K 19
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
25
Electrical Conductivity: Equal Weight (Specific), % IACS 15
35

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.9
6.5
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 51
57
Embodied Water, L/kg 350
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
20
Resilience: Unit (Modulus of Resilience), kJ/m3 67
420
Stiffness to Weight: Axial, points 6.7
7.5
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 8.1
15
Strength to Weight: Bending, points 10
17
Thermal Diffusivity, mm2/s 22
41
Thermal Shock Resistance, points 9.3
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
3.5 to 4.3
Antimony (Sb), % 0 to 0.25
0
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 81 to 87
2.5 to 3.3
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 4.0 to 6.0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 0 to 2.0
0 to 0.020
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.030
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0 to 0.0030
Zinc (Zn), % 4.0 to 6.0
92.2 to 94